/* ===== AGV Robot After-Sales Management System ===== */
/* Industrial Tech Style - DingTalk Native App Simulation */

/* ===== CSS Variables ===== */
:root {
  /* Primary */
  --primary: #165DFF;
  --primary-hover: #4080FF;
  --primary-light: rgba(22, 93, 255, 0.1);

  /* Status Colors */
  --success: #00B42A;
  --warning: #FF7D00;
  --danger: #F53F3F;
  --info: #722ED1;

  /* Dark Mode (Default) */
  --bg-page: #0D1117;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-solid: #161B22;
  --bg-hover: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.10);
  --text-primary: #E5E6EB;
  --text-secondary: #86909C;
  --text-tertiary: #4E5969;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --frosted-bg: rgba(22, 27, 34, 0.85);

  /* Layout */
  --sidebar-width: 220px;
  --topbar-height: 56px;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode */
body.light-mode {
  --bg-page: #F2F3F5;
  --bg-card: #FFFFFF;
  --bg-card-solid: #FFFFFF;
  --bg-hover: #F7F8FA;
  --border-color: #E5E6EB;
  --text-primary: #1D2129;
  --text-secondary: #86909C;
  --text-tertiary: #C9CDD4;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --frosted-bg: rgba(255, 255, 255, 0.85);
}

/* ===== Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  transition: background 0.3s ease;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ===== Layout ===== */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card-solid);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #165DFF, #4080FF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px;
}

.nav-group {
  margin-bottom: 8px;
}

.nav-group-label {
  font-size: 11px;
  color: var(--text-tertiary);
  padding: 8px 12px 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-bottom: 2px;
  font-size: 14px;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 500;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* ===== Main Area ===== */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ===== Topbar ===== */
.topbar {
  height: var(--topbar-height);
  background: var(--frosted-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  z-index: 50;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-spacer { flex: 1; }

.topbar-action {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  font-size: 13px;
}

.topbar-action:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.topbar-user:hover { background: var(--bg-hover); }

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #165DFF, #722ED1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

.user-name {
  font-size: 13px;
  color: var(--text-primary);
}

.user-role {
  font-size: 11px;
  color: var(--text-secondary);
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
  font-size: 18px;
}

.theme-toggle:hover {
  background: var(--bg-hover);
  color: var(--primary);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--primary);
  background: var(--primary-light);
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
}

.mobile-toggle:hover { opacity: 0.85; }

/* ===== Content Area ===== */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.content-area::-webkit-scrollbar { width: 6px; }

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(22, 93, 255, 0.3);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title-bar {
  width: 3px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

/* ===== Dashboard ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 93, 255, 0.3);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.metric-card.success::before { background: var(--success); }
.metric-card.warning::before { background: var(--warning); }
.metric-card.danger::before { background: var(--danger); }
.metric-card.info::before { background: var(--info); }

.metric-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
}

.metric-icon.blue { background: rgba(22, 93, 255, 0.15); color: var(--primary); }
.metric-icon.green { background: rgba(0, 180, 42, 0.15); color: var(--success); }
.metric-icon.orange { background: rgba(255, 125, 0, 0.15); color: var(--warning); }
.metric-icon.red { background: rgba(245, 63, 63, 0.15); color: var(--danger); }
.metric-icon.purple { background: rgba(114, 46, 209, 0.15); color: var(--info); }

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.metric-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  margin-top: 8px;
}

.metric-trend.up { color: var(--success); }
.metric-trend.down { color: var(--danger); }

/* Dashboard charts grid */
.dashboard-charts {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.dashboard-charts-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-container {
  height: 280px;
  position: relative;
}

/* ===== Work Order List ===== */
.wo-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-input {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 14px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  min-width: 180px;
}

.filter-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.15);
}

.filter-input::placeholder { color: var(--text-tertiary); }

.filter-select {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 8px 14px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386909C' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.filter-select:focus {
  border-color: var(--primary);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--primary);
}

/* ===== Table ===== */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead {
  background: var(--bg-hover);
}

th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

tbody tr {
  transition: var(--transition);
  cursor: pointer;
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

.table-id { color: var(--primary); font-weight: 500; }
.table-cell-ellipsis {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Status Tags ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-pending { background: rgba(255, 125, 0, 0.12); color: var(--warning); }
.tag-processing { background: rgba(22, 93, 255, 0.12); color: var(--primary); }
.tag-testing { background: rgba(114, 46, 209, 0.12); color: var(--info); }
.tag-waiting { background: rgba(255, 125, 0, 0.12); color: var(--warning); }
.tag-closed { background: rgba(0, 180, 42, 0.12); color: var(--success); }
.tag-suspended { background: rgba(255, 125, 0, 0.12); color: var(--warning); }
.tag-rejected { background: rgba(245, 63, 63, 0.12); color: var(--danger); }
.tag-urgent { background: rgba(245, 63, 63, 0.12); color: var(--danger); }
.tag-high { background: rgba(255, 125, 0, 0.12); color: var(--warning); }
.tag-medium { background: rgba(22, 93, 255, 0.12); color: var(--primary); }
.tag-low { background: rgba(0, 180, 42, 0.12); color: var(--success); }

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

/* SLA Indicator */
.sla-bar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.sla-progress {
  width: 60px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}

.sla-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ===== Drawer (Detail Panel) ===== */
.drawer-overlay {
  position: fixed;
  top: 0;
  right: 0;
  width: 520px;
  height: 100vh;
  background: var(--bg-card-solid);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.drawer-overlay.open {
  transform: translateX(0);
}

.drawer-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.drawer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.drawer-footer {
  padding: 12px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--border-color);
  background: var(--bg-page);
  z-index: 1;
}

.timeline-item.active .timeline-dot {
  border-color: var(--primary);
  background: var(--primary);
}

.timeline-item.success .timeline-dot {
  border-color: var(--success);
  background: var(--success);
}

.timeline-item.warning .timeline-dot {
  border-color: var(--warning);
  background: var(--warning);
}

.timeline-content {
  font-size: 13px;
}

.timeline-title {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.timeline-meta {
  font-size: 11px;
  color: var(--text-secondary);
}

.timeline-desc {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 12px;
}

/* ===== Detail Info Grid ===== */
.detail-section {
  margin-bottom: 24px;
}

.detail-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.detail-value {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.modal-footer {
  padding: 12px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ===== Form ===== */
.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 72px;
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386909C' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.upload-area {
  border: 1px dashed var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
}

.upload-area:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.upload-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

/* ===== AI Chat ===== */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--topbar-height) - 40px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-bot-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #165DFF, #722ED1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}

.chat-bot-info { flex: 1; }
.chat-bot-name { font-size: 14px; font-weight: 600; }
.chat-bot-status { font-size: 11px; color: var(--success); display: flex; align-items: center; gap: 4px; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  gap: 10px;
  max-width: 75%;
  animation: fadeInUp 0.3s ease;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.chat-message.bot .chat-msg-avatar {
  background: linear-gradient(135deg, #165DFF, #722ED1);
  color: #fff;
}

.chat-message.user .chat-msg-avatar {
  background: linear-gradient(135deg, #00B42A, #165DFF);
  color: #fff;
}

.chat-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
}

.chat-message.bot .chat-bubble {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-top-left-radius: 4px;
  color: var(--text-primary);
}

.chat-message.user .chat-bubble {
  background: var(--primary);
  color: #fff;
  border-top-right-radius: 4px;
}

.chat-source {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
  font-size: 11px;
  color: var(--text-secondary);
}

.chat-source a {
  color: var(--primary);
  text-decoration: none;
}

.chat-feedback {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  font-size: 11px;
}

.feedback-btn {
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 11px;
}

.feedback-btn:hover { border-color: var(--primary); color: var(--primary); }
.feedback-btn.active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.chat-typing {
  display: inline-flex;
  gap: 4px;
  padding: 12px 16px;
}

.chat-typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: bounce 1.4s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

.chat-input-area {
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  resize: none;
  min-height: 40px;
  max-height: 120px;
  font-family: inherit;
  transition: var(--transition);
}

.chat-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.15);
}

.chat-quick-actions {
  display: flex;
  gap: 8px;
  padding: 0 20px 8px;
  flex-wrap: wrap;
}

.quick-action {
  padding: 5px 12px;
  border-radius: 16px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.quick-action:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* ===== Knowledge Base ===== */
.kb-container {
  display: flex;
  gap: 16px;
  height: calc(100vh - var(--topbar-height) - 60px);
}

.kb-sidebar {
  width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  overflow-y: auto;
  flex-shrink: 0;
}

.kb-tree-item {
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.kb-tree-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.kb-tree-item.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.kb-tree-item.private { color: var(--info); }

.kb-tree-children {
  margin-left: 16px;
  border-left: 1px dashed var(--border-color);
  padding-left: 8px;
}

.kb-main {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kb-file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  padding: 16px;
  overflow-y: auto;
}

.kb-file-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.kb-file-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.kb-file-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.kb-file-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kb-file-meta {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Learning Logs ===== */
.log-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.log-status.learning { background: rgba(22, 93, 255, 0.12); color: var(--primary); }
.log-status.pending { background: rgba(255, 125, 0, 0.12); color: var(--warning); }
.log-status.approved { background: rgba(0, 180, 42, 0.12); color: var(--success); }
.log-status.rejected { background: rgba(245, 63, 63, 0.12); color: var(--danger); }
.log-status.failed { background: rgba(245, 63, 63, 0.12); color: var(--danger); }

/* ===== Settings ===== */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.settings-row:last-child { border-bottom: none; }

.settings-label {
  font-size: 13px;
  color: var(--text-primary);
}

.settings-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Switch */
.switch {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--border-color);
  border-radius: 11px;
  cursor: pointer;
  transition: var(--transition);
}

.switch.on { background: var(--primary); }

.switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.switch.on::after { transform: translateX(18px); }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.pagination-info {
  font-size: 12px;
  color: var(--text-secondary);
}

.pagination-btns {
  display: flex;
  gap: 4px;
}

.page-btn {
  min-width: 32px;
  height: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== Animations ===== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

.fade-in { animation: fadeIn 0.3s ease; }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-text { font-size: 14px; }

/* ===== Mobile H5 View ===== */
.mobile-frame {
  width: 375px;
  height: 720px;
  margin: 20px auto;
  background: var(--bg-page);
  border-radius: 24px;
  border: 8px solid #1a1a2e;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  display: none;
}

.mobile-frame.open { display: block; }

.mobile-header {
  height: 48px;
  background: var(--bg-card-solid);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  position: relative;
}

.mobile-back {
  position: absolute;
  left: 12px;
  font-size: 20px;
  cursor: pointer;
  color: var(--primary);
}

.mobile-content {
  height: calc(100% - 48px - 56px);
  overflow-y: auto;
  padding: 12px;
}

.mobile-tabbar {
  height: 56px;
  background: var(--bg-card-solid);
  border-top: 1px solid var(--border-color);
  display: flex;
  position: absolute;
  bottom: 0;
  width: 100%;
}

.mobile-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.mobile-tab.active { color: var(--primary); }
.mobile-tab-icon { font-size: 20px; }

.mobile-wo-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-wo-card:hover { border-color: var(--primary); }

.mobile-wo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.mobile-wo-id { font-size: 13px; font-weight: 600; color: var(--primary); }
.mobile-wo-title { font-size: 13px; color: var(--text-primary); margin-bottom: 6px; }
.mobile-wo-meta { font-size: 11px; color: var(--text-secondary); display: flex; gap: 8px; flex-wrap: wrap; }

.mobile-quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.mobile-quick-item {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px 8px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-quick-item:hover { border-color: var(--primary); }
.mobile-quick-icon { font-size: 24px; margin-bottom: 4px; }
.mobile-quick-label { font-size: 10px; color: var(--text-secondary); }

/* ===== DingTalk Badge ===== */
.dingtalk-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  background: rgba(22, 93, 255, 0.12);
  color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .dashboard-grid { grid-template-columns: repeat(3, 1fr); }
  .dashboard-charts { grid-template-columns: 1fr; }
  .dashboard-charts-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-title, .nav-group-label, .nav-item span:not(.nav-icon) { display: none; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .drawer-overlay { width: 100%; }
  .detail-grid { grid-template-columns: 1fr; }
}